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CRA2025-0001 DeterminationCITY OF EDMONDS 121 5ch Avenue North, Edmonds WA 98020 Phone: 425.771.0220 • Fax: 425.771.0221 • Web: www.edmondswa PLANNING & DEVELOPMENT DEPARTMENT • PLANNING DIVISION 'lle. 10j 3/11/2025 SEAVIEW ONE LLC 18213 80TH AVE W EDMONDS, WA 98026-5414 Subject: Critical Areas Determination (CRA2025-0001) Site Address: 18213 80TH AVE W Dear Applicant/Owner, Please find the enclosed critical area determination for the Critical Areas Checklist you submitted to the City of Edmonds Planning Division. The critical area determination for your property is "CRITICAL AREA PRESENT." Note that this determination is a site -specific determination and not a project -specific determination. If the critical area determination is "CRITICAL AREA PRESENT," additional critical areas information or critical areas specific studies may be required for development or alteration of your property depending on the location of the activity. "WAIVER" means no further critical area review is required for development or alteration of your property. If you have any questions regarding this critical area determination, please contact the planner on duty at 425.771.0220. Regards, ROSE HAAS Planning Division Planning & Development Department Enc: Critical Area Determination CITY OF EDMONDS 121 5t" Avenue North, Edmonds WA 98020 Phone: 425.771.0220 • Fax: 425.771.0221 • Web: www.edmondswa.gov PLANNING & DEVELOPMENT DEPARTMENT • PLANNING DIVISION C. 1 091J Critical Area Determination (CRA2025-0001) Based on a review and inspection of the subject site, staff has determined that one or more critical areas are located on or near the site. Critical areas are ecologically sensitive or hazardous areas that are protected in order to maintain their functions and values. Site Location 18213 80TH AVE W Tax Account Number 00370800101500 Property Owner SEAVIEW ONE LLC Applicant JASON SIMONIS Critical Area(s) Present ❑ Wetlands (ECDC 23.50): Yes ❑ Frequently Flooded Areas (ECDC 23.70): NA ❑ Geologically Hazardous Areas (ECDC 23.80) ❑ Erosion Hazard Areas: Yes ❑ Landslide Hazard Areas: Yes ❑ Seismic Hazard Areas: NA ❑ Fish & Wildlife Habitat Conservation Areas (ECDC 23.90) ❑ Mapped Fish & Wildlife Habitat: NA ❑ Streams: NA Site DescriDtion The subject property is an approximate 30,056 square foot lot which contains and is adjacent to multiple critical areas, including landslide hazard areas, erosion hazards and a potential wetland. According to Snohomish County soils data, the majority of the soils on the site are classified as Alderwood Urban land complex, 2-8% slopes on the west side of the parcel and Alderwood-Everett Gravelly sandy loams, 25-70 on the east portion of the property. LiDAR data indicates that slopes on the west portion of the lot contain approximate 16% slopes. Slopes northeast of the built structures are approximately 25%. Slopes greater than 15% with the mapped soil composition are considered Erosion Hazard Areas. Slopes approximately 140 feet southeast and adjacent to the parcel contain grades greater than 40%. Slopes greater than 40% are considered Landslide Hazard Areas. According to the City's GIS information, the parcel is also adjacent (approximately 140 feet southeast) to a mapped wetland. During inspection of the subject site, a gradual west to east slope was confirmed on the west portion of the property. The eastern portion of the property sloped more precipitously, especially in areas northeast of the built footprint. An area of standing water or a portion of the potential wetland was observed on the southeast corner of the property in the backyard of the neighboring property at 18229 80th Ave W approximately 20-feet from the property line. An Erosion and Sediment control plan compliant with chapter 18.30 ECDC may be required for development on sites containing an erosion hazard area which would be reviewed as part of a building permit. Any land disturbing activity within 50 feet of the landslide hazard areas will require a geotechnical report per requirements of ECDC 23.80, with specific reference to ECDC 23.80.060 and ECDC 23.80.070. Additionally, the wetland and its associated buffer could impact the subject site. A qualified professional may need to assess the area to determine the classifications of the potential wetland adjacent to the site. What does this mean? The critical area regulations are only triggered when an alteration is proposed to a critical area or its buffer. However, once an alteration in or near critical area is proposed, critical area studies and City review and approval may be required. What is an `Alteration'? According to Section 23.40.005 of the Edmonds Community Development Code (ECDC): "Alteration" means any human -induced action which changes the existing conditions of a critical area or its buffer. Alterations include, but are not limited to: grading, filling; dredging; draining; channelizing; cutting, pruning, limbing or topping, clearing, relocating or removing vegetation; applying herbicides or pesticides or any hazardous or toxic substance; discharging pollutants; paving, construction, application of gravel; modifying for surface water management purposes; or any other human activity that changes the existing landforms, vegetation, hydrology, wildlife or wildlife habitat value of critical areas. Unpermitted alteration of a critical area or buffer (including tree trimming or topping, dumping yard waste, or application of pesticides or fertilizers) can lead to enforcement action and fines. Before undertaking any work, please contact the City to verify whether critical area studies and City review is necessary. Page 12 ROSE HAAS, Planner 3/11/2025 Name, Title Cited sections of the Edmonds Community Development Code (ECDC) can be found at http://www.codepublishing.com/WA/Edmonds Environmentally Critical Areas General Provisions (ECDC 23.40) Wetlands (ECDC 23.50) Frequently Flooded Areas (ECDC 23.70) Geologically Hazardous Areas (ECDC 23.80) Fish and Wildlife Habitat Conservation Areas (ECDC 23.90) Building permits — Earth Subsidence and Landslide Hazard Areas (ECDC 19.10) Date City of Edmonds GIS map tool with approximate location of critical areas: http://maps.edmondswa.gov Page 13 " City of Edmonds CRA2025-0001 0 63.15 126.3 Feet 94.0 This ma is a user generated static output from an Internet mapping site and is for 1,1ZH P B P PP E; reference only. Data layers that appear on this map may or may not be accurate, WGS_1984_Web_Mercator_Auxiliary_Sphere current, or otherwise reliable. © City of Edmonds THIS MAP IS NOT TO BE USED FOR DESIGN OR CONSTRUCTION 2 Legend = Creeks ® Seismic Hazard Areas Earth Subsidence and Landslide I r- L! Minimum Buffer Adjacent to Hat Wetlands Contour Lines 10 — 50, 100 Landslide Hazard Area 40% ❑ Severe Erosion Hazard 15%-40% ❑ Erosion Hazard Areas 15%-40% ArcSDE.GIS.STREET CENTERLINE: <all other values, 1 2 5,4 91 71, 71 8 Sections Boundary Sections Edmonds Boundary ArcSDE.G IS. PROPERTY_BUILDI N( ArcSDE.GIS.STREET CENTERLINE; — <all other values, Interstate Principal Arterial Minor Arterial: Collector Notes 18213 80th Ave W